Method Detail

getLength

item

Used to retrieve a CSS rule by ordinal index. The order in this
collection represents the order of the rules in the CSS style sheet.
If index is greater than or equal to the number of rules in the list,
this returns null.

Parameters:

index - Index into the collection

Returns:

The style rule at the index position in the
CSSRuleList, or null if that is not a
valid index.